San Juan Weather in April

What's the weather like in San Juan (Texas) in April 2025?

The climate in San Juan during April can be summarized as hot, humid and reasonably dry.

April is in the spring in San Juan and is typically the 6th warmest month of the year. Daytime maximum temperatures average around a muggy 30°C (87°F), whilst at night 20°C (67°F) is normal.

San Juan weather averages (imperial / metric)
Daytime temperature 30.3°C 86.5°F
Nightly temperature 19.5°C 67.1°F
Average temperature 24.9°C 76.8°F
Daily sunshine 7.2 hrs
Avg rainfall 35 mm 1.4 ins
Rainy days 3 days
Sea temperature 22.2°C 72°F
Humidity 72%
Windspeed 20.2kph 13 mph

On average April is the 6th driest month of the year in San Juan with around 35mm 1.4 inches of rain making it a reasonably dry time to visit. This rainfall is typically spread over 3 days, although this may vary considerably.

On the flip side this corresponds to an average of 7.2 hours of sunshine per day.

April temperatures in San Juan

San Juan average temperature in April

April rainfall

San Juan average rain in April

April hourly sunshine

San Juan average rain in April

The data used in these monthly averages covers a period of over 100 years right up until last year. As such they are a valid prediction of what to expect for the weather in San Juan in April 2025.

Other monthly averages

Best places to visit in April

UV index Best time to go?

Beta

Current (hourly) weather 15 day forecast

San Juan weather stats

San Juan weather statistics
Hottest month: August 35.3°C 95.5°F
Driest month: March 13mm 0.5ins
Sunniest month: July 10.4hrs
Coldest month: January 20.3°C 68.5°F
Wettest month: September 110mm 4.3ins
Map showing location of San Juan (26.18924, -98.15529) San Juan map pin © Google

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